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vault backup: 2025-12-01 17:16:25

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Zane Meyers
2025-12-01 17:16:26 -05:00
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nfpa-70_250_grounding-and-bonding.md
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@@ -1770,9 +1770,12 @@ The structural metal frame of a building or structure shall not be used as an eq
#### 250.122(A) General.
Copper, aluminum, or copper-clad aluminum equipment grounding conductors of the wire type shall not be smaller than shown in Table
250.122. The equipment grounding conductor shall not be required to be larger than the circuit conductors supplying the equipment. If a cable tray, a raceway, or a cable armor or sheath is used as the equipment grounding conductor, as provided in 250.118 and
250.134(1), it shall comply with 250.4(A)(5) or (B)(4).
Copper, aluminum, or copper-clad aluminum equipment grounding conductors of the wire type
shall not be smaller than shown in Table 250.122.
The equipment grounding conductor shall not be required
to be larger than the circuit conductors supplying the equipment.
If a cable tray, a raceway, or a cable armor or sheath is used as the equipment grounding conductor,
as provided in 250.118 and 250.134(1), it shall comply with 250.4(A)(5) or (B)(4).
Equipment grounding conductors shall be permitted to be sectioned within a multiconductor cable, provided the combined circular mil area complies with Table 250.122.
@@ -1807,9 +1810,7 @@ The equipment grounding conductor in a flexible cord with the largest circuit co
#### 250.122(F) Conductors in Parallel.
For circuits of parallel conductors as permitted in 310.10(G), the equipment grounding conductor shall be installed in accordance with
##### 250.122(F)(1) or (F) (2).
For circuits of parallel conductors as permitted in 310.10(G), the equipment grounding conductor shall be installed in accordance with 250.122(F)(1) or (F) (2).
##### 250.122(F)(1) Conductor Installations in Raceways, Auxiliary Gutters, or Cable Trays.